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dedylja [7]
3 years ago
5

Math help! (check the attachment)

Mathematics
2 answers:
Evgesh-ka [11]3 years ago
5 0
(x-30)+(x+76)=180
x-30+x+76=180
2x+46=180
2x=134
x=67
67-30=37
67+76=143
<1=37, <2=143
jok3333 [9.3K]3 years ago
4 0
I think the answer is D- angle 1=67, angle 2=113
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Twelve more than a number is less than four.
Alenkasestr [34]

Answer:

n+12 <4

Step-by-step explanation:

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Find 3/7 of 21? Can you find this answer because my homework I do not know how to do so can you please find this question.
const2013 [10]

Answer:

9

Step-by-step explanation:

3/7 multiplied by 21 = 3/7 x 21 = 9 = 3/7 x 21/1 = 63/7 = 9

Or if you can't do the math - Think of a  pizza with 21 slices . Now cut this pizza into 7 equal parts. You will find that each part contains exactly 3 slices. Now, eat 3 of these parts. With three slices in each part, you ate 9 slices - which is three sevenths of 21.

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2 years ago
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Jessica is 5 years older than her sister Jenna. Jenna tells her sister that in 5 years, she will be as old as Jessica was 5 year
vlabodo [156]

Answer:

x + 5 = (x + 5) - 5, which has no solution ⇒ answer C

Step-by-step explanation:

* Lets study the situation in the problem

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- Jenna's age now is x

* Lets change all information above to equation

∵ Janna's age now is x

∵ Jessica is 5 years old than Janna

∴ The age of Jessica now is x + 5

- After 5 years Janna's age will be add by 5 years

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∴ Her age after 5 years will be x + 5

- From 5 years ago Jessica's age was her age now mins 5 years

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∴ Her age from 5 years ago is (x + 5) - 5

∵ Janna's age after 5 years = Jessica age from 5 years ago

∴ x + 5 = (x + 5) - 5

- Lets solve the equation to know how many solution

∵ x + 5 = x + 5 - 5 ⇒ add the like terms

∴ x + 5 = x ⇒ subtract x from both sides

∴ 5 = 0

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8 0
3 years ago
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yan [13]

Answer:

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Step-by-step explanation:

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The area is calculated by multiplying height to the base

there's a 30° 60° 90° special triangle inside the parallelogram and the side length that sees 60° in this special triangle is 3√3 so this is our height and base is given as 11

Therefore the area of this parallelogram is

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3 years ago
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sergeinik [125]

Answer:

y=1/2x+4

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Slope intercept form is Y=mx+b.

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